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go. A. put them up B. fix them up C. cheer them up 25. You shouldn39。s__ . 9. We could__ __these signs. 10. Be quiet please, boys and 39。 (5 4分= 20分 ) put up, hand out, call up, e up with, cheer…up 6. We believe scientists will__ __a way to solve the problem of air pollution. 7. We could each__ __ten people and ask them to e. 8. He looks 39。s visit the sick children in hospital and__ __ . —OK, let39。 He lives__alone__but doesn39。 They__handed__ __out__notices to tell students__to__ __raise__money for the poor stud